This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a ...

SparkFun has just launched the “IoT RedBoard – RP2350” and “IoT RedBoard – ESP32” boards with Arduino UNO R4 form factor based on respectively Raspberry Pi RP2350B + RM2 wireless module and ...

The SparkFun Arduino UNO R4 WiFi Qwiic Kit is a great way to start with Arduino and the Qwiic-connect system. This kit includes everything you need to build a WiFi-enabled project, including an ...